{% extends 'layout.html' %}


{% block head %}

{% endblock %}


{% block main %}
<div>

    {% if count == 0 %}
    <div>购物车空空如也。</div>

    {% else %}


    <svg xmlns="http://www.w3.org/2000/svg" style="display: none;">
        <symbol id="check-circle-fill" fill="currentColor" viewBox="0 0 16 16">
            <path
                d="M16 8A8 8 0 1 1 0 8a8 8 0 0 1 16 0zm-3.97-3.03a.75.75 0 0 0-1.08.022L7.477 9.417 5.384 7.323a.75.75 0 0 0-1.06 1.06L6.97 11.03a.75.75 0 0 0 1.079-.02l3.992-4.99a.75.75 0 0 0-.01-1.05z" />
        </symbol>
        <symbol id="exclamation-triangle-fill" fill="currentColor" viewBox="0 0 16 16">
            <path
                d="M8.982 1.566a1.13 1.13 0 0 0-1.96 0L.165 13.233c-.457.778.091 1.767.98 1.767h13.713c.889 0 1.438-.99.98-1.767L8.982 1.566zM8 5c.535 0 .954.462.9.995l-.35 3.507a.552.552 0 0 1-1.1 0L7.1 5.995A.905.905 0 0 1 8 5zm.002 6a1 1 0 1 1 0 2 1 1 0 0 1 0-2z" />
        </symbol>
    </svg>
    <div id="message" class="d-none">
        <div class="alert alert-success d-flex align-items-center" role="alert">
            <svg class="bi flex-shrink-0 me-2" width="24" height="24" role="img" aria-label="Success:">
                <use xlink:href="#check-circle-fill" />
            </svg>
            <div>
                支付成功
            </div>
        </div>
    </div>

    <div class="d-flex">
        <table>
            <tr>
                <th>书名</th>
                <th>价格</th>
                <th>时间</th>
                <th>操作</th>
            </tr>
            {% for trade in trades %}
            <tr>
                <td>{{ trade.book.name }}</td>
                <td>&yen;<span class="mx-1 price">{{ trade.book.price }}</span></td>
                <td>{{ trade.created_time|date:'Y-m-d H:i'}}</td>
                <td><a href="/cart/{{trade.id}}/remove/" class="btn">删除</a></td>
            </tr>
            {% endfor %}
        </table>
    </div>
    <div class="d-flex align-items-center my-3">
        <span class="ms-auto mt-3 text-danger">&yen;</span>
        <span class="me-3 h1 mb-0 text-danger" id="total-price">{{ trade.book.price }}</span>
        <button class="btn btn-primary" id="pay-button">结算</button>
    </div>
</div>

{% endif %}
</div>
{% endblock %}

{% block script %}
<script>
    $(function () {
        const prices = $(".price").map((index, ele) => parseFloat(ele.innerText.trim())).get();
        const totalPrice = prices.reduce((acc, cur) => acc + cur);
        $("#total-price").text(totalPrice);

        $("#pay-button").on('click', function () {
            $.ajax({
                url: '/cart/pay/',
                method: 'get',
                success: function (data, status) {
                    $("#message").removeClass('d-none');
                    setTimeout(() => {
                        window.location.href = `/user/{{user.id}}/`
                    }, 1000);
                },
                error: function (res) {
                    balanceNotEnoughInfo = `
                    <div class="alert alert-primary d-flex align-items-center" role="alert">
                        <svg class="bi flex-shrink-0 me-2" width="24" height="24" role="img" aria-label="Info:"><use xlink:href="#info-fill"/></svg>
                        <div>
                            余额不足，请充值!
                        </div>
                    </div>
                    `;
                    if (res.status = 600) { // 余额不足
                        $("#message").html(balanceNotEnoughInfo);
                        $("#message").removeClass('d-none');
                    }
                    console.log('error:', res.status);
                }
            });
        });
    });
</script>
{% endblock %}